<template>
  <div class="wrapper">
    <swiper :options="swiperOption" v-if='Swiper'>
      <!-- slides -->
      <swiper-slide class="swiper" v-for="item in list" :key="item.id">
        <img :src="item.imgUrl" alt>
      </swiper-slide>

      <div class="swiper-pagination" slot="pagination"></div>
    </swiper>
  </div>
</template>
<script>
export default {
  mounted() {
    // console.log(this.list);
  },
  props: ["list"],
  data() {
    return {
      swiperOption: {
        pagination: ".swiper-pagination",
        loop: true,
        autoplay: 3000
      }
    };
  },
  computed: {
    Swiper(){
      return this.list.length
    }
  },
};
</script>
<style lang="stylus" scoped>
.wrapper >>> .swiper-pagination-bullet-active {
  background-color: #fff;
}

.wrapper {
  overflow: hidden;
  width: 100%;
  height: 0;
  padding-bottom: 26.8%;
  background-color: #eee; // 防止加载时下面的内容上移

  img {
    width: 100%;
  }
}
</style>